Surge in human cases of deadly bird flu is prompting alarm; Colorectal cancer rates rising sharply among Gen X and millennials; CDC biosafety lab air hoses were not certified for breathable air; These 12 superbugs pose the greatest threat to human health, WHO says; Dangerous antibiotic-resistant infections on the rise for children in the U.S., study finds;     Surge in human cases of deadly bird flu is prompting alarm The H7N9 bird flu has the greatest potential to trigger a pandemic if it begins to spread readily among people, experts warn. By Lena H. Sun  •  Read more » ADVERTISEMENT   Rate of birth defects in Zika pregnancies 20 times higher than in pre-Zika years, CDC says The types of birth defects include microcephaly, brain abnormalities and eye defects. By Lena H. Sun  •  Read more »   Colorectal cancer rates rising sharply among Gen X and millennials The rising rates of colorectal cancer among young and middle-aged adults are raising questions about whether screening should routinely start earlier than age 50. By Laurie McGinley  •  Read more »   CDC biosafety lab air hoses were not certified for breathable air The hoses are part of protective suits worn in biosafety labs that handle the world's most dangerous pathogens. By Lena H. Sun  •  Read more »   These 12 superbugs pose the greatest threat to human health, WHO says Most critical are superbugs that pose a particular threat to hospitalized patients, transplant recipients and patients undergoing chemotherapy. By Lena H. Sun  •  Read more »   Dangerous antibiotic-resistant infections on the rise for children in the U.S., study finds Children with Enterobacteriaceae infections had 20 percent longer hospital stays, researchers found. By Jia Naqvi  •  Read more »   ADVERTISEMENT   Recommended for you   Health, Science & Environment News Alerts Get immediate email on health, science or environment news. You can also sign up for email alerts on: Politics, World News, Economy/Business, Technology, Entertainment or Sports at washingtonpost.com/newsletters. Sign Up »         Share To Your Health:       Twitter      Facebook Trouble reading? Click here to view in your browser. You received this email because you signed up for To Your Health. For additional free newsletters or to manage your newsletters, click here. We respect your privacy. If you believe that this email has been sent to you in error or you no longer wish to receive email from The Washington Post, click here. Contact us for help. ©2017 The Washington Post, 1301 K St NW, Washington DC 20071